Notebook[List[Cell[BoxData[FormBox[GridBox[List[List[RowBox[List[RowBox[List[SubscriptBox["r", "1"], "=", RowBox[List[RowBox[List["(", RowBox[List["A", "+", "B"]], ")"]], "-", FractionBox["a", "3"]]]]], "\n", RowBox[List[SubscriptBox["r", "2"], "=", RowBox[List[RowBox[List["-", FractionBox[RowBox[List["A", "+", "B"]], "2"]]], "-", FractionBox["a", "3"], "+", RowBox[List["i", FractionBox[SqrtBox["3"], "2"], RowBox[List["(", RowBox[List["A", "-", "B"]], ")"]]]]]]]], "\n", RowBox[List[SubscriptBox["r", "3"], "=", RowBox[List[RowBox[List["-", FractionBox[RowBox[List["A", "+", "B"]], "2"]]], "-", FractionBox["a", "3"], "-", RowBox[List["i", FractionBox[SqrtBox["3"], "2"], RowBox[List["(", RowBox[List["A", "-", "B"]], ")"]]]]]]]]]], TagBox[StyleBox[TagBox[RowBox[List["(", RowBox[List["Equation", "   ", "50"]], ")"]], Null, Rule[Editable, True], Rule[Selectable, True]], "EquationLabel", Rule[Deletable, False], Rule[ZeroWidthTimes, True]], Null, Rule[Editable, False]]]], Rule[RowSpacings, 2.], Rule[ColumnWidths, List[Fit, Automatic]], Rule[RowAlignments, Top], Rule[ColumnAlignments, List[TextAlignment, Right]]], TraditionalForm]], "Input"]]]